@splitsoftware/splitio-commons
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Split JavaScript SDK common components
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JavaScript
import { __assign } from "tslib";
import { isObject, isString, isFiniteNumber, isBoolean } from '../lang';
import { objectAssign } from '../lang/objectAssign';
import { ERROR_NOT_PLAIN_OBJECT, ERROR_SIZE_EXCEEDED, WARN_SETTING_NULL, WARN_TRIMMING_PROPERTIES } from '../../logger/constants';
var ECMA_SIZES = {
NULL: 0,
STRING: 2,
BOOLEAN: 4,
NUMBER: 8
};
var MAX_PROPERTIES_AMOUNT = 300;
var MAX_EVENT_SIZE = 1024 * 32;
var BASE_EVENT_SIZE = 1024; // We assume 1kb events without properties (avg measured)
export function validateEventProperties(log, maybeProperties, method) {
if (maybeProperties == undefined)
return { properties: null, size: BASE_EVENT_SIZE }; // eslint-disable-line eqeqeq
if (!isObject(maybeProperties)) {
log.error(ERROR_NOT_PLAIN_OBJECT, [method, 'properties']);
return { properties: false, size: BASE_EVENT_SIZE };
}
var keys = Object.keys(maybeProperties);
// Shallow clone
var clone = objectAssign({}, maybeProperties);
// To avoid calculating the size twice we'll return it from here.
var output = {
properties: clone,
size: BASE_EVENT_SIZE // We assume 1kb events without properties (avg measured)
};
if (keys.length > MAX_PROPERTIES_AMOUNT) {
log.warn(WARN_TRIMMING_PROPERTIES, [method]);
}
for (var i = 0; i < keys.length; i++) {
output.size += keys[i].length * ECMA_SIZES.STRING; // Count the size of the key which is always a string.
var val = clone[keys[i]];
var isStringVal = isString(val);
var isFiniteVal = isFiniteNumber(val);
var isBoolVal = isBoolean(val);
var isNullVal = val === null;
if (!(isStringVal || isFiniteVal || isBoolVal || isNullVal)) { // If it's not of valid type.
clone[keys[i]] = null;
val = null;
isNullVal = true;
log.warn(WARN_SETTING_NULL, [method, keys[i]]);
}
if (isNullVal)
output.size += ECMA_SIZES.NULL;
else if (isFiniteVal)
output.size += ECMA_SIZES.NUMBER;
else if (isBoolVal)
output.size += ECMA_SIZES.BOOLEAN;
else if (isStringVal)
output.size += val.length * ECMA_SIZES.STRING;
if (output.size > MAX_EVENT_SIZE) {
log.error(ERROR_SIZE_EXCEEDED, [method]);
output.properties = false;
break;
}
}
return output;
}
export function validateEvaluationOptions(log, maybeOptions, method) {
if (isObject(maybeOptions)) {
var properties = validateEventProperties(log, maybeOptions.properties, method).properties;
var options = properties && Object.keys(properties).length > 0 ? { properties: properties } : undefined;
var impressionsDisabled = maybeOptions.impressionsDisabled;
if (!impressionsDisabled)
return options;
// @ts-expect-error impressionsDisabled is not exposed in the public typings yet.
return options ? __assign(__assign({}, options), { impressionsDisabled: impressionsDisabled }) : { impressionsDisabled: impressionsDisabled };
}
else if (maybeOptions) {
log.error(ERROR_NOT_PLAIN_OBJECT, [method, 'evaluation options']);
}
return undefined;
}